Silver halide photographic material

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Antihalation or filter layer containing

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430593, 430944, G03C 102

Patent

active

050631462

ABSTRACT:
A silver halide photographic material having a hydrophilic colloidal layer containing a dispersion of fine solid particles of a dye is disclosed, said dye being represented by formula (I): ##STR1## wherein L represents a nitrogen atom or a group composed of 1, 3, 5 or 7 substituted or unsubstituted methine group(s) connected via a conjugated double bond(s); E represents O, S, or N--R.sup.9 ; and R.sup.0 through R.sup.9 are as defined in the specification. The dye of formula (I) colors a specific hydrophilic colloidal layer without being diffused to other layers and is rapidly decolorized or washed off on development processing.

REFERENCES:
patent: 4102688 (1978-07-01), Sugiyama et al.
patent: 4182886 (1980-01-01), Kitzing et al.
patent: 4233399 (1980-11-01), Kitzing et al.
patent: 4920031 (1990-04-01), Ohno et al.

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